20139105420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{940201}}^1$

素因数の和:940240

約数の個数: 144

約数和(自身を含む): 73922442048

約数和(自身を除く): 53783336628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 21420, 940201, 1880402, 2820603, 3760804, 4701005, 5641206, 6581407, 8461809, 9402010, 11282412, 13162814, 14103015, 15983417, 16923618, 18804020, 19744221, 26325628, 28206030, 31966834, 32907035, 33847236, 39488442, 42309045, 47950251, 56412060, 59232663, 63933668, 65814070, 78976884, 79917085, 84618090, 95900502, 98721105, 111883919, 118465326, 131628140, 143850753, 159834170, 169236180, 191801004, 197442210, 223767838, 236930652, 239751255, 287701506, 296163315, 319668340, 335651757, 394884420, 447535676, 479502510, 559419595, 575403012, 592326630, 671303514, 719253765, 959005020, 1006955271, 1118839190, 1184653260, 1342607028, 1438507530, 1678258785, 2013910542, 2237678380, 2877015060, 3356517570, 4027821084, 5034776355, 6713035140, 10069552710, 20139105420]

約数ペア:

[(1, 20139105420), (2, 10069552710), (3, 6713035140), (4, 5034776355), (5, 4027821084), (6, 3356517570), (7, 2877015060), (9, 2237678380), (10, 2013910542), (12, 1678258785), (14, 1438507530), (15, 1342607028), (17, 1184653260), (18, 1118839190), (20, 1006955271), (21, 959005020), (28, 719253765), (30, 671303514), (34, 592326630), (35, 575403012), (36, 559419595), (42, 479502510), (45, 447535676), (51, 394884420), (60, 335651757), (63, 319668340), (68, 296163315), (70, 287701506), (84, 239751255), (85, 236930652), (90, 223767838), (102, 197442210), (105, 191801004), (119, 169236180), (126, 159834170), (140, 143850753), (153, 131628140), (170, 118465326), (180, 111883919), (204, 98721105), (210, 95900502), (238, 84618090), (252, 79917085), (255, 78976884), (306, 65814070), (315, 63933668), (340, 59232663), (357, 56412060), (420, 47950251), (476, 42309045), (510, 39488442), (595, 33847236), (612, 32907035), (630, 31966834), (714, 28206030), (765, 26325628), (1020, 19744221), (1071, 18804020), (1190, 16923618), (1260, 15983417), (1428, 14103015), (1530, 13162814), (1785, 11282412), (2142, 9402010), (2380, 8461809), (3060, 6581407), (3570, 5641206), (4284, 4701005), (5355, 3760804), (7140, 2820603), (10710, 1880402), (21420, 940201)]